Question

23: Evaluate each of the following using suitable identities:
(i) (104)
() (999)​

Answer 1

Answer:

i) 1124864

ii) 997002999

Step-by-step explanation:

i) (104)³. = (100+4)³

= (100)³+(4)³+3(100)(4)(100+4)

= 1000000+64+1200(104)

= 1000064+124800

= 1124864

ii) (999)³ = (1000-1)³

= (1000)³-(1)³-3(1000)(1)(1000-1)

= 1000000000-1-3000(999)

= 1000000000-1-2997000

= 997002999

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Answer 2

Step-by-step explanation:

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